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MCGlobal.h

00001 #if !defined(__MCGLOBAL_H_)
00002 #define __MCGLOBAL_H_
00003 
00004 #ident "@(#)$Id: MCGlobal.h,v 1.4 2004/11/08 07:56:22 mike Exp $"
00005 
00006 /*
00007  * Copyright Miba Consulting Ltd. (c) 2000-2003
00008  * 
00009  * This library is free software; you can redistribute it and/or
00010  * modify it under the terms of the GNU Lesser General Public
00011  * License as published by the Free Software Foundation; either
00012  * version 2.1 of the License, or (at your option) any later version.
00013  * 
00014  * This library is distributed in the hope that it will be useful,
00015  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00016  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
00017  * Lesser General Public License for more details.
00018  * 
00019  * You should have received a copy of the GNU Lesser General Public
00020  * License along with this library; if not, write to the Free Software
00021  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
00022  *
00023  */
00024 
00025 namespace mcllib
00026 {
00033     template<typename T> class MCSingleton
00034     {
00035     public:
00037         MCSingleton()
00038         {
00039             if (m_pInstance == 0) {
00040                 m_pInstance = new T;
00041             }
00042             //return(m_pInstance);
00043         }
00045         inline T* operator->()
00046         {
00047             return(m_pInstance);
00048         }
00050         inline T& operator*()
00051         {
00052             return(*m_pInstance);
00053         }
00054     
00056         static T* m_pInstance;
00057     };
00058 
00062     template<typename T>
00063     void MCSingletonMaker(T* /*unused*/)
00064     {
00065         MCSingleton<T> t; 
00066         (void)t.m_pInstance;
00067     }
00068 
00069 };
00070 
00071 #endif

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